
Lockwood 100x75x3.0 Severe Duty Hinges – Satin Stainless Steel (Box of 36)
The Lockwood 100 Series Severe Duty Hinges are engineered for high-load applications where durability and strength are critical.
With a 3.0mm thick hinge leaf, these hinges provide enhanced strength compared to standard 2.5mm hinges, making them ideal for heavy doors and demanding environments.
Manufactured in satin stainless steel, they offer long-term corrosion resistance and reliable performance in both internal and external applications.
This product is classified as a non-returnable item. Please confirm all details before ordering.
Key Features
- Severe duty hinge construction for heavy doors
- 3.0mm thick leaves for increased strength
- 100 Series architectural hinge quality
- Satin stainless steel finish
- Suitable for internal and external applications
- Supplied in box of 36 hinges
Suitable Uses
- Heavy commercial doors
- High traffic entry points
- Industrial applications
- External doors exposed to weather
- Situations requiring increased hinge durability
Specifications
Frequently Asked Questions
What makes this a severe duty hinge?
The 3.0mm thickness provides increased strength for heavy doors compared to standard hinges.
Can these be used externally?
Yes, the stainless steel construction makes them suitable for outdoor use.
Are these suitable for heavy doors?
Yes, these are specifically designed for high weight and high traffic applications.
Additional Information
- Severe duty hinges are commonly specified where door weight exceeds standard hinge capacity.
- Increasing hinge thickness improves durability and lifespan in high-use environments.
- Used in commercial projects where reliability is critical.
Covered by a 25-year mechanical warranty.
Lockwood General Hardware Catalogue

Lockwood General Hardware Catalogue
Lockwood Warranty Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- Decorative finishes including Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants: typically up to 2 years against corrosion.
- Unlacquered brass finishes will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.